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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef _ASM_M32R_DELAY_H
2#define _ASM_M32R_DELAY_H
3
Linus Torvalds1da177e2005-04-16 15:20:36 -07004/*
5 * Copyright (C) 1993 Linus Torvalds
6 *
7 * Delay routines calling functions in arch/m32r/lib/delay.c
8 */
9
10extern void __bad_udelay(void);
11extern void __bad_ndelay(void);
12
13extern void __udelay(unsigned long usecs);
14extern void __ndelay(unsigned long nsecs);
Jeff Dike5ab24c72008-02-06 01:37:19 -080015extern void __const_udelay(unsigned long xloops);
Linus Torvalds1da177e2005-04-16 15:20:36 -070016extern void __delay(unsigned long loops);
17
18#define udelay(n) (__builtin_constant_p(n) ? \
19 ((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c7ul)) : \
20 __udelay(n))
21
22#define ndelay(n) (__builtin_constant_p(n) ? \
23 ((n) > 20000 ? __bad_ndelay() : __const_udelay((n) * 5ul)) : \
24 __ndelay(n))
25
26#endif /* _ASM_M32R_DELAY_H */